<template>
    <div>
       <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item> 
        </el-breadcrumb>
        <!-- 数据卡片视图-->
        <el-card>
            <div id="main" style="width: 800px;height:400px;"></div>
            
        </el-card>
    </div>
</template>

<script>
// 导入echarts
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
    created(){

    },
    data(){
        return {
             options: {
                    title: {
                    text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
        
    },
    async mounted(){
         // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        //请求数据
        const {data:res}= await this.$http.get('reports/type/1')
        if(res.meta.status != 200){
            return this.$message.error("获取数据失败")
        }
        const result =  _.merge(res.data,this.options)
        //准备数据和配置项
    
        myChart.setOption(result)
    }
}
</script>

<style scoped>

</style>